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<?php
/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Navigation\Renderer;
use Icinga\Application\Icinga;
use Icinga\Exception\ProgrammingError;
use Icinga\Util\StringHelper;
use Icinga\Web\Navigation\NavigationItem;
use Icinga\Web\Url;
use Icinga\Web\View;
/**
* NavigationItemRenderer
*/
class NavigationItemRenderer
{
/**
* View
*
* @var View
*/
protected $view;
/**
* The item being rendered
*
* @var NavigationItem
*/
protected $item;
/**
* Internal link targets provided by Icinga Web 2
*
* @var array
*/
protected $internalLinkTargets;
/**
* Whether to escape the label
*
* @var bool
*/
protected $escapeLabel;
/**
* Create a new NavigationItemRenderer
*
* @param array $options
*/
public function __construct(array $options = null)
{
if (! empty($options)) {
$this->setOptions($options);
}
$this->internalLinkTargets = array('_main', '_self', '_next');
$this->init();
}
/**
* Initialize this renderer
*/
public function init()
{
}
/**
* Set the given options
*
* @param array $options
*
* @return $this
*/
public function setOptions(array $options)
{
foreach ($options as $name => $value) {
$setter = 'set' . StringHelper::cname($name);
if (method_exists($this, $setter)) {
$this->$setter($value);
}
}
return $this;
}
/**
* Set the view
*
* @param View $view
*
* @return $this
*/
public function setView(View $view)
{
$this->view = $view;
return $this;
}
/**
* Return the view
*
* @return View
*/
public function view()
{
if ($this->view === null) {
$this->setView(Icinga::app()->getViewRenderer()->view);
}
return $this->view;
}
/**
* Set the navigation item to render
*
* @param NavigationItem $item
*
* @return $this
*/
public function setItem(NavigationItem $item)
{
$this->item = $item;
return $this;
}
/**
* Return the navigation item being rendered
*
* @return NavigationItem
*/
public function getItem()
{
return $this->item;
}
/**
* Set whether to escape the label
*
* @param bool $state
*
* @return $this
*/
public function setEscapeLabel($state = true)
{
$this->escapeLabel = (bool) $state;
return $this;
}
/**
* Return whether to escape the label
*
* @return bool
*/
public function getEscapeLabel()
{
return $this->escapeLabel !== null ? $this->escapeLabel : true;
}
/**
* Render the given navigation item as HTML anchor
*
* @param NavigationItem $item
*
* @return string
*/
public function render(NavigationItem $item = null)
{
if ($item !== null) {
$this->setItem($item);
} elseif (($item = $this->getItem()) === null) {
throw new ProgrammingError(
'Cannot render nothing. Pass the item to render as part'
. ' of the call to render() or set it with setItem()'
);
}
$label = $this->getEscapeLabel()
? $this->view()->escape($item->getLabel())
: $item->getLabel();
if (($icon = $item->getIcon()) !== null) {
$label = $this->view()->icon($icon) . $label;
} elseif ($item->getName()) {
$firstLetter = $item->getName()[0];
$label = $this->view()->icon('letter', null, ['data-letter' => strtolower($firstLetter)]) . $label;
}
if (($url = $item->getUrl()) !== null) {
$url->overwriteParams($item->getUrlParameters());
$target = $item->getTarget();
if ($url->isExternal() && (!$target || in_array($target, $this->internalLinkTargets, true))) {
$url = Url::fromPath('iframe', array('url' => $url));
}
$content = sprintf(
'<a%s href="%s"%s>%s</a>',
$this->view()->propertiesToString($item->getAttributes()),
$this->view()->escape($url->getAbsoluteUrl('&')),
$this->renderTargetAttribute(),
$label
);
} elseif ($label) {
$content = sprintf(
'<%1$s%2$s>%3$s</%1$s>',
$item::LINK_ALTERNATIVE,
$this->view()->propertiesToString($item->getAttributes()),
$label
);
} else {
$content = '';
}
return $content;
}
/**
* Render and return the attribute to provide a non-default target for the url
*
* @return string
*/
protected function renderTargetAttribute()
{
$target = $this->getItem()->getTarget();
if ($target === null || $this->getItem()->getUrl()->getAbsoluteUrl() == '#') {
return '';
}
if (! in_array($target, $this->internalLinkTargets, true)) {
return ' target="' . $this->view()->escape($target) . '"';
}
return ' data-base-target="' . $target . '"';
}
}
|
